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Finding the Fourth Proportional to 526,405.92, 726,447.25 and 296,962.50

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Solution

The fourth proportional to 526,405.92, 726,447.25 and 296,962.50 is: 409,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,405.92 : 726,447.25 = 296,962.50 : x
  2. Step 2: Convert to fraction form
    526,405.92/726,447.25 = 296,962.50/x
  3. Step 3: Cross multiply
    526,405.92x = 726,447.25 × 296,962.50
  4. Step 4: Simplify right side
    526,405.92x = 215,727,591,478.13
  5. Step 5: Solve for x
    x = 215,727,591,478.13/526,405.92
  6. Step 6: Final answer
    x = 409,812.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.